diff options
Diffstat (limited to 'sys/net/if_loop.c')
| -rw-r--r-- | sys/net/if_loop.c | 35 |
1 files changed, 27 insertions, 8 deletions
diff --git a/sys/net/if_loop.c b/sys/net/if_loop.c index 40492d421843..163712a66fd1 100644 --- a/sys/net/if_loop.c +++ b/sys/net/if_loop.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * from: @(#)if_loop.c 7.13 (Berkeley) 4/26/91 - * $Id: if_loop.c,v 1.2 1993/10/16 17:43:19 rgrimes Exp $ + * $Id: if_loop.c,v 1.6 1993/12/20 19:31:29 wollman Exp $ */ /* @@ -44,6 +44,7 @@ #include "socket.h" #include "errno.h" #include "ioctl.h" +#include "kernel.h" #include "../net/if.h" #include "../net/if_types.h" @@ -71,17 +72,24 @@ #include "bpfilter.h" #if NBPFILTER > 0 -#include <sys/time.h> -#include <net/bpf.h> +#include "sys/time.h" +#include "net/bpf.h" static caddr_t lo_bpf; #endif +#ifdef TINY_LOMTU #define LOMTU (1024+512) +#else /* reasonable MTU */ +#define LOMTU 65535 /* maximum MTU for IP */ +#endif /* reasonable MTU */ struct ifnet loif; -int looutput(), loioctl(); +int looutput(struct ifnet *, struct mbuf *, struct sockaddr *, struct rtentry *); +int loioctl(struct ifnet *, int, caddr_t); +void lortrequest(int, struct rtentry *, struct sockaddr *); -loattach() +void +loattach(void) { register struct ifnet *ifp = &loif; @@ -99,6 +107,9 @@ loattach() #endif } +TEXT_SET(pseudo_set, loattach); + +int looutput(ifp, m, dst, rt) struct ifnet *ifp; register struct mbuf *m; @@ -179,18 +190,26 @@ looutput(ifp, m, dst, rt) } /* ARGSUSED */ +void lortrequest(cmd, rt, sa) -struct rtentry *rt; -struct sockaddr *sa; + int cmd; + struct rtentry *rt; + struct sockaddr *sa; { - if (rt) + if (rt) { +#ifdef DEBUG + printf("lo0: lortrequest: setting route MTU to %u\n", + LOMTU); +#endif rt->rt_rmx.rmx_mtu = LOMTU; + } } /* * Process an ioctl request. */ /* ARGSUSED */ +int loioctl(ifp, cmd, data) register struct ifnet *ifp; int cmd; |